Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface showing our new design.

The broken lines in the Figures, including the display screen, form no part of the claimed design. 

The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 